linux-master/crypto/api.c

98 	struct crypto_larval *larval = (void *)alg;
101 	if (!IS_ERR_OR_NULL(larval->adult))
102 		crypto_mod_put(larval->adult);
103 	kfree(larval);
108 	struct crypto_larval *larval;
110 	larval = kzalloc(sizeof(*larval), GFP_KERNEL);
111 	if (!larval)
114 	larval->mask = mask;
115 	larval->alg.cra_flags = CRYPTO_ALG_LARVAL | type;
116 	larval->alg.cra_priority = -1;
117 	larval->alg.cra_destroy = crypto_larval_destroy;
119 	strscpy(larval->alg.cra_name, name, CRYPTO_MAX_ALG_NAME);
120 	init_completion(&larval->completion);
122 	return larval;
130 	struct crypto_larval *larval;
132 	larval = crypto_larval_alloc(name, type, mask);
133 	if (IS_ERR(larval))
134 		return ERR_CAST(larval);
136 	refcount_set(&larval->alg.cra_refcnt, 2);
141 		alg = &larval->alg;
146 	if (alg != &larval->alg) {
147 		kfree(larval);
157 	struct crypto_larval *larval = (void *)alg;
162 	complete_all(&larval->completion);
167 void crypto_wait_for_test(struct crypto_larval *larval)
171 	err = crypto_probing_notify(CRYPTO_MSG_ALG_REGISTER, larval->adult);
175 	err = wait_for_completion_killable(&larval->completion);
178 	crypto_larval_kill(&larval->alg);
182 static void crypto_start_test(struct crypto_larval *larval)
184 	if (!crypto_is_test_larval(larval))
187 	if (larval->test_started)
191 	if (larval->test_started) {
196 	larval->test_started = true;
199 	crypto_wait_for_test(larval);
204 	struct crypto_larval *larval = (void *)alg;
208 		crypto_start_test(larval);
211 		&larval->completion, 60 * HZ);
213 	alg = larval->adult;
222 	else if (crypto_is_test_larval(larval) &&
229 	crypto_mod_put(&larval->alg);
318 	struct crypto_alg *larval;
331 	larval = crypto_larval_lookup(name, type, mask);
332 	if (IS_ERR(larval) || !crypto_is_larval(larval))
333 		return larval;
335 	ok = crypto_probing_notify(CRYPTO_MSG_ALG_REQUEST, larval);
338 		alg = crypto_larval_wait(larval);
340 		crypto_mod_put(larval);
343 	crypto_larval_kill(larval);